DE2604765C3 - Nachlieferungskathode - Google Patents
NachlieferungskathodeInfo
- Publication number
- DE2604765C3 DE2604765C3 DE2604765A DE2604765A DE2604765C3 DE 2604765 C3 DE2604765 C3 DE 2604765C3 DE 2604765 A DE2604765 A DE 2604765A DE 2604765 A DE2604765 A DE 2604765A DE 2604765 C3 DE2604765 C3 DE 2604765C3
- Authority
- DE
- Germany
- Prior art keywords
- oxide
- scandium
- barium
- compounds
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 22
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 13
- 229910052788 barium Inorganic materials 0.000 claims description 10
- 238000012384 transportation and delivery Methods 0.000 claims description 10
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 14
- 238000005470 impregnation Methods 0.000 description 4
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000010849 ion bombardment Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 150000001552 barium Chemical class 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- DFCYEXJMCFQPPA-UHFFFAOYSA-N scandium(3+);trinitrate Chemical compound [Sc+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O DFCYEXJMCFQPPA-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
Landscapes
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7502052.A NL165880C (nl) | 1975-02-21 | 1975-02-21 | Naleveringskathode. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2604765A1 DE2604765A1 (de) | 1976-09-02 |
| DE2604765B2 DE2604765B2 (de) | 1977-07-21 |
| DE2604765C3 true DE2604765C3 (de) | 1978-03-09 |
Family
ID=19823224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2604765A Expired DE2604765C3 (de) | 1975-02-21 | 1976-02-07 | Nachlieferungskathode |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4007393A (enrdf_load_stackoverflow) |
| JP (1) | JPS5622103B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1042061A (enrdf_load_stackoverflow) |
| DE (1) | DE2604765C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2301914A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1476914A (enrdf_load_stackoverflow) |
| NL (1) | NL165880C (enrdf_load_stackoverflow) |
| SE (1) | SE406019B (enrdf_load_stackoverflow) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7711134A (nl) | 1976-10-19 | 1978-04-21 | Gen Electric Co Ltd | Elektrische hoge druk ontladingslamp. |
| DE2842079A1 (de) * | 1978-09-27 | 1980-04-03 | Siemens Ag | Vorratskathode, insbesondere metall- kapillar-kathode |
| NL7905542A (nl) * | 1979-07-17 | 1981-01-20 | Philips Nv | Naleveringskathode. |
| DE3000169A1 (de) * | 1980-01-04 | 1982-08-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum herstellen einer vorratskathode |
| FR2496290A1 (fr) * | 1980-12-12 | 1982-06-18 | Efcis | Circuit d'asservissement numerique en fonction de la frequence |
| DE3122950A1 (de) * | 1981-06-10 | 1983-01-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum herstellen einer vorratskathode |
| DE3148441A1 (de) * | 1981-12-08 | 1983-07-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur herstellung einer thermionischen kathode |
| DE3205746A1 (de) * | 1982-02-18 | 1983-08-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Thermionische kathode und verfahren zu ihrer herstellung |
| JPS58154131A (ja) * | 1982-03-10 | 1983-09-13 | Hitachi Ltd | 含浸形陰極 |
| NL8201371A (nl) * | 1982-04-01 | 1983-11-01 | Philips Nv | Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen. |
| NL8403031A (nl) * | 1984-10-05 | 1986-05-01 | Philips Nv | Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze. |
| NL8403032A (nl) * | 1984-10-05 | 1986-05-01 | Philips Nv | Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze. |
| CA1270890A (en) * | 1985-07-19 | 1990-06-26 | Keiji Watanabe | Cathode for electron tube |
| KR910002969B1 (ko) * | 1987-06-12 | 1991-05-11 | 미쓰비시전기주식회사 | 전자관음극(cathode for an electron tube) |
| NL8701583A (nl) * | 1987-07-06 | 1989-02-01 | Philips Nv | Scandaatkathode. |
| JPH0690907B2 (ja) * | 1988-02-02 | 1994-11-14 | 三菱電機株式会社 | 電子管用陰極 |
| US5092805A (en) * | 1988-11-11 | 1992-03-03 | Samsung Electron Devices Co., Ltd. | Manufacturing method for dispenser code |
| NL8902793A (nl) * | 1989-11-13 | 1991-06-03 | Philips Nv | Scandaatkathode. |
| US5041757A (en) * | 1990-12-21 | 1991-08-20 | Hughes Aircraft Company | Sputtered scandate coatings for dispenser cathodes and methods for making same |
| US5065070A (en) * | 1990-12-21 | 1991-11-12 | Hughes Aircraft Company | Sputtered scandate coatings for dispenser cathodes |
| US5293410A (en) * | 1991-11-27 | 1994-03-08 | Schlumberger Technology Corporation | Neutron generator |
| JP2985467B2 (ja) * | 1992-01-22 | 1999-11-29 | 三菱電機株式会社 | 含浸型カソードの製造方法 |
| DE4207220A1 (de) * | 1992-03-07 | 1993-09-09 | Philips Patentverwaltung | Festkoerperelement fuer eine thermionische kathode |
| EP0641007A3 (en) * | 1993-08-31 | 1995-06-21 | Samsung Display Devices Co Ltd | Directly heated supply cathode structure. |
| US5407633A (en) * | 1994-03-15 | 1995-04-18 | U.S. Philips Corporation | Method of manufacturing a dispenser cathode |
| US6563256B1 (en) | 1999-02-25 | 2003-05-13 | Sandia Corporation | Low work function materials for microminiature energy conversion and recovery applications |
| AU2001269450A1 (en) * | 2000-08-07 | 2002-02-18 | Norio Akamatsu | Solar energy converter |
| WO2002013366A1 (en) * | 2000-08-07 | 2002-02-14 | Norio Akamatsu | Solar ray energy conversion apparatus |
| CN1830051B (zh) * | 2003-02-14 | 2010-04-28 | 迈普尔平版印刷Ip有限公司 | 储备式阴极 |
| EP1831908A2 (en) * | 2004-12-21 | 2007-09-12 | Philips Intellectual Property & Standards GmbH | Scandate dispenser cathode |
| CN100433230C (zh) * | 2006-07-19 | 2008-11-12 | 北京工业大学 | 压制型含钪扩散阴极的制备方法 |
| BR112014002222A2 (pt) * | 2011-08-03 | 2017-02-21 | Koninklijke Philips Nv | material alvo, uso do material, método para a produção de um catodo dispensador de bário-escandato e dispositivo |
| CN103632902B (zh) * | 2013-01-10 | 2016-01-13 | 中国科学院电子学研究所 | 一种阴极活性发射材料的制备方法 |
| US10497530B2 (en) * | 2015-04-10 | 2019-12-03 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Thermionic tungsten/scandate cathodes and methods of making the same |
| CN109637913B (zh) * | 2018-10-31 | 2021-08-20 | 北京工业大学 | 一种钡钨阴极用发射活性盐及其制备 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3076916A (en) * | 1959-01-21 | 1963-02-05 | Semicon Associates Inc | Impregnated tungsten cathode structures and methods for fabricating same |
| US3358178A (en) * | 1964-08-05 | 1967-12-12 | Figner Avraam Iljich | Metal-porous body having pores filled with barium scandate |
| NL154047B (nl) * | 1968-01-09 | 1977-07-15 | Philips Nv | Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis. |
| US3558966A (en) * | 1967-03-01 | 1971-01-26 | Semicon Associates Inc | Directly heated dispenser cathode |
| US3530327A (en) * | 1968-03-11 | 1970-09-22 | Westinghouse Electric Corp | Metal halide discharge lamps with rare-earth metal oxide used as electrode emission material |
| JPS5019250B1 (enrdf_load_stackoverflow) * | 1970-12-30 | 1975-07-05 | ||
| US3719856A (en) * | 1971-05-19 | 1973-03-06 | O Koppius | Impregnants for dispenser cathodes |
| US3766423A (en) * | 1971-12-03 | 1973-10-16 | Itt | Integral emissive electrode |
-
1975
- 1975-02-21 NL NL7502052.A patent/NL165880C/xx not_active IP Right Cessation
- 1975-12-02 US US05/636,931 patent/US4007393A/en not_active Expired - Lifetime
-
1976
- 1976-02-07 DE DE2604765A patent/DE2604765C3/de not_active Expired
- 1976-02-11 CA CA245,529A patent/CA1042061A/en not_active Expired
- 1976-02-18 JP JP1605776A patent/JPS5622103B2/ja not_active Expired
- 1976-02-18 SE SE7601812A patent/SE406019B/xx not_active IP Right Cessation
- 1976-02-18 GB GB637376A patent/GB1476914A/en not_active Expired
- 1976-02-20 FR FR7604762A patent/FR2301914A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2301914A1 (fr) | 1976-09-17 |
| US4007393A (en) | 1977-02-08 |
| NL7502052A (nl) | 1976-08-24 |
| CA1042061A (en) | 1978-11-07 |
| SE7601812L (sv) | 1976-08-23 |
| SE406019B (sv) | 1979-01-15 |
| NL165880B (nl) | 1980-12-15 |
| DE2604765A1 (de) | 1976-09-02 |
| GB1476914A (en) | 1977-06-16 |
| FR2301914B1 (enrdf_load_stackoverflow) | 1979-04-20 |
| DE2604765B2 (de) | 1977-07-21 |
| NL165880C (nl) | 1981-05-15 |
| JPS5622103B2 (enrdf_load_stackoverflow) | 1981-05-23 |
| JPS51108761A (enrdf_load_stackoverflow) | 1976-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |